did you move Neo4j's folder to another directory?
Or did you uninstalled Neo4j Desktop?
I suggest you to reinstall Neo4j Desktop in the directory where you have your graph databases. Try and give us news.
I think it is not possible. In neo4j browser you can make nodes bigger by clicking a node label and selecting how much big you want nodes with that label.
You can set also set custom styling importing node and relationship style configuration fi...
in Neo4j Browser it is not possible to change node icons. You can display just different node properties or ids: http://guides.neo4j.com/browser.html
Instead you can use Bloom to set a different icon to each label. For more info: https://neo4j.co...
I think it is not possible in Neo4j browser.
I suggest you to use Neo4j Bloom tool, in which you can set up different icons for each node label.
You can look for some graph visualization tool in this link:
Neo4j Graph Database Pl...